06:23Balancing Chemical Equations Step by Step Practice Problems | How to Pass ChemistryMelissa Maribel979views1rank
05:01How to Balance Chemical Equations in 5 Easy Steps: Balancing Equations TutorialWayne Breslyn2011views
Open QuestionDetermine the total sum of the coefficients after balancing the following equation.___ C2H5SH (g) + ___ O2 (g) → ___ CO2 (g) + ___ H2O (l) + ___ SO2 (g)1212views25rank6comments
Multiple ChoiceWhen the following equation is balanced, what is the coefficient in front of H2O? ___ Ba(OH)2 + ___ H3PO4 → ___ H2O + ___ Ba3(PO4)2510views
Multiple ChoiceIn the following equation what is the mole ratio of NaOH to H2O, respectively? ___NaOH (aq) + ___ H3PO4(aq) → ___ H2O(l) + ___ Na3PO4(aq)430views
Open QuestionWrite the balanced equation for the following by inserting the correct coefficients in the blanks.___ Al4C3 (s) + ___ H2O (l) → ___ Al2O3 (s) + ___ CH4 (g)841views27rank1comments
Multiple ChoiceDetermine the balanced chemical equation when ethanol, C2H6O is ignited in the presence of air.477views5rank2comments
Open QuestionFor each molecule of C4H8 that reacts, how many molecules of carbon dioxide and water are produced?315views
Open QuestionFor the following balanced equation, which has the highest coefficient? 4 H2 + 2 C → 2 CH4337views
Open QuestionWrite a balanced equation to show the reaction of aqueous aluminum acetate with aqueous ammonium phosphate to form solid aluminum phosphate and aqueous ammonium acetate.263views
Open QuestionEnter a balanced chemical equation for the reaction of solid potassium with liquid water.256views
Open QuestionWhen aluminum, Al, metal is dipped in an aqueous solution of hydrochloric acid, HCl, hydrogen gas, H2, is produced with the formation of an aluminum chloride, AlCl3, solution. Write the balanced chemical equation showing the phases of reactants and products.452views
Open QuestionWrite a balanced chemical equation based on the following description: nitrogen gas and oxygen gas react to produce nitrogen monoxide gas256views
Open QuestionThe figure (figure 1) shows the reaction of element a (lavender spheres) with element b (tan spheres). write the balanced chemical equation for this reaction in terms of a and b.529views
Open QuestionWhat is the coefficient in front of the no when the equation below is balanced? NH3(g) + O2(g) → NO(g) + H2O(g)339views
Open QuestionWrite a balanced chemical equation based on the following description: propanol, C3H7OH(l) burns in air to produce gaseous carbon dioxide and water vapor268views
Open QuestionWrite a balanced equation to show the reaction of gaseous ethane with gaseous oxygen to form carbon monoxide gas and water vapor.276views
Open QuestionSolid iron(iii) oxide reacts with hydrogen gas to form solid iron and liquid water.514views
Open QuestionWhen iron rusts, solid iron reacts with gaseous oxygen to form solid iron(iii) oxide.377views
Open QuestionLiquid octane reacts with oxygen gas to form carbon dioxide gas and water vapor.410views
Open QuestionGaseous carbon monoxide reacts with hydrogen gas to form gaseous methane (ch4) and liquid water.930views
Open QuestionSolid aluminum sulfide reacts with water to form solid aluminum hydroxide and gaseous hydrogen sulfide.710views
Open QuestionHow many moles of o2 are in the chemical equation when balanced using the lowest whole numbers?396views
Open QuestionWhich coefficient of O2 is needed to balance the equation C3H8 + O2 → 3 CO2 + 4 H2O?258views
Open QuestionWhich are the products in the equation CH3SH + 4 O2 → CO2 + SO2 + 2 H2O? Check all that apply.311views
Open QuestionBased on your experience in the simulation, what do the numbers 3 and 4 refer to in 3 NH4?330views
Open QuestionThe equilibrium system between hydrogen gas, bromine gas, and hydrogen bromide gas is given.261views
Open QuestionWhen H2SO4 is neutralized by NaOH in aqueous solution, the net ionic equation is ________.230views
Open QuestionWrite a balanced ionic equation for this acid-base reaction: Ca(OH)2(aq) + 2 CH3CO2H(aq) →304views
Open QuestionHow does a balanced chemical equation show that mass is never lost or gained in a chemical reaction?318views
Open QuestionHow do you use the coefficient to calculate the number of atoms in each molecule261views
Open QuestionWhich of the following balanced equations correctly represents the dissociation of K2SO4 in water?274views
Open QuestionHow does a chemical equation show that matter is always conserved in a chemical reaction?282views
Open QuestionIn a popular classroom demonstration, solid sodium is added to liquid water and reacts to produce hydrogen gas and aqueous sodium hydroxide. What is the balanced chemical equation for this reaction?
Open QuestionWrite the balanced equation for the photosynthesis reaction in which gaseous carbon dioxide and liquid water react in the presence of chlorophyll to produce aqueous glucose (C6H12O6) and oxygen gas.
Open QuestionWrite the balanced chemical equation for the reaction between aqueous sodium carbonate and aqueous copper(II) chloride to form solid copper(II) carbonate and aqueous sodium chloride.
Open QuestionIs the following formulation of a task correct? If not, please correct it: Complete and balance each combustion reaction equation. a. S(s) + O2(g) → b. C3H6(g) + O2(g) → c. Ca(s) + O2(g) → d. C5H12S(l) + O2(g) →
Open QuestionComplete and balance each combustion reaction equation: a. C(s) + O2(g) → b. C3H8O(l) + O2(g) → c. CS2(s) + O2(g) → d. C4H6(g) + O2(g) →
Open QuestionNiobium reacts with fluorine at room temperature to give a solid binary compound that is 49.44% Nb by mass. (a) What is the empirical formula of the compound? (b) Write a balanced equation for the reaction.
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